Finding the Fourth Proportional to 601,389.42, 901,124.57 and 440,720.79
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Solution
The fourth proportional to 601,389.42, 901,124.57 and 440,720.79 is: 660,377.98
Step by Step Solution
- Step 1: Write the proportion equation
601,389.42 : 901,124.57 = 440,720.79 : x - Step 2: Convert to fraction form
601,389.42/901,124.57 = 440,720.79/x - Step 3: Cross multiply
601,389.42x = 901,124.57 × 440,720.79 - Step 4: Simplify right side
601,389.42x = 397,144,330,175.21 - Step 5: Solve for x
x = 397,144,330,175.21/601,389.42 - Step 6: Final answer
x = 660,377.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.